https://feps-europe.eu/wp-content/uploads/2023/11/PP23_WEB.pdf
https://ukandeu.ac.uk/the-impact-of-brexit-on-bond-prices/?mc_cid=8002195303&mc_eid=815b1928ec
http://invs.santepubliquefrance.fr/publications/etat_sante_2017/ESP2017_Ouvrage_complet_vdef.pdf